A number of Chipotle restaurants closed late Friday afternoon in the Northwest due to a possible E. coli outbreak, according to KGW News.

The Oregon Health Authority said 22 cases were reported in Oregon and Washington. One-third of those people were hospitalized.

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Chipotle officials voluntarily closed restaurants in Oregon and in the Washington counties affected.

An OHA spokesperson told KGW News anyone who has eaten at a Chipotle in Oregon or Washington in the past 10 days should contact a doctor if they show signs of Shiga toxin E. coli (STEC) infection, which include: cramping, stomach pain, nausea and vomiting.

No deaths have been reported and the OHA said patients generally recover from infection within five to 10 days.